Autotrol 273 & 278 Valve Residential Control Valves
- Time-tested Duraflow flapper provides frictionless sealing for longer service life
- Fiber-reinforced polymer valve body for superior strength and durability, non-corrosive, and UV-resistant
- Designed with double backwash for reduced hardness leakage
- Optical sensor for precision cycle positioning
- Fully adjustable 5 or 8 cycle control for efficient and reliable water treatment system
- Continuous service flow rate of 25 GPM with a backwash of 20 GPM
- Backwash capability accommodates softener tanks up to 21″ and filter up to 18″ in diameter
- Designed for single or multiple tank systems
- Supercapacitor for keeping time of day during power outage
- Environmental protective cover for water resistance, corrosion resistance, and UV stability
- Programming stored in memory and will not be lost due to power outages
- History data for valve performance
Manufacture: Autotrol
Model Number: 273 & 278
Availability: In-Stock
Valve Specifications
| Valve Material | Glass-filled thermoplastic – NSF Listed material |
| Inlet/Outlet | 1-3/4″-12 UNC-2A male |
| Weight | 5.3 lbs (2.4 kg) |
| Operating Pressure | 20-120 psi (1.38-8.27 bar) |
| Hydrostatic Test Pressure | 300 psi (20.69 bar) |
| Water Temperature | 35°-100°F (2°-38°C) |
Flow Rates
| Service 15 psi (1.03 bar) drop |
25.0 gpm (5.7 m3/h) |
| Backwash 25psi (1.72 Bar) drop |
20.0 gpm (4.5 m3/h) |
| Service | Cv = 6.50 (Kv = 5.6) |
| Backwash | Cv = 4.00 (Kv = 3.5) |
Dimensions
| Width | 14.9″ (37.8 cm) |
| Height | 8.5″ (21.5 cm) |
| Riser Tube Dia. | 1.05″ (27 mm) |
| Riser Height | Above top of tank 0.5″ (+/- 0.5″) |
